From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 13 Dec 2015 12:58:58 +0000 (+0200)
Subject: Add a helper function for creating textures
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=7b799ae8d6560bfb8c65e0b4f6ea26efe129559a;p=geometrycompositor.git

Add a helper function for creating textures
---

diff --git a/source/main.c b/source/main.c
index 074477b..adb5827 100644
--- a/source/main.c
+++ b/source/main.c
@@ -241,6 +241,17 @@ unsigned link_program(unsigned *shaders, unsigned nshaders)
 	return program;
 }
 
+unsigned create_2d_texture()
+{
+	unsigned texture;
+	glGenTextures(1, &texture);
+	glBindTexture(GL_TEXTURE_2D, texture);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	return texture;
+}
+
 int create_gl_resources(Compositor *compositor, CompositedScreen *screen)
 {
 	unsigned stride;
@@ -273,12 +284,8 @@ int create_gl_resources(Compositor *compositor, CompositedScreen *screen)
 
 	glBindBuffer(GL_ARRAY_BUFFER, 0);
 
-	glGenTextures(1, &screen->fb_texture);
-	glBindTexture(GL_TEXTURE_2D, screen->fb_texture);
+	screen->fb_texture = create_2d_texture();
 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, screen->width, screen->height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 	glBindTexture(GL_TEXTURE_2D, 0);
 
 	glGenFramebuffers(1, &screen->framebuffer);
@@ -366,11 +373,7 @@ CompositedWindow *add_window(Compositor *compositor, CompositedScreen *screen, W
 	if(window->map_state==IsViewable)
 		create_window_pixmap(compositor, screen, window);
 
-	glGenTextures(1, &window->texture);
-	glBindTexture(GL_TEXTURE_2D, window->texture);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	window->texture = create_2d_texture();
 
 	return window;
 }